Sr. Network Administrator - 27609

The Navy Integrated Training Environment (NITE) Network Administrator is responsible for operating, maintaining, and troubleshooting network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN).

You will support the operation and maintenance of multiple networks across different classification levels, ensuring continuous connectivity for customers and sites. This position is based in the Network Operations and Security Center (NOSC), which functions as the helpdesk for network operations support.

The role includes diagnosing and resolving WAN circuit issues, equipment failures, router and switch configurations, firewall ACLs, VoIP device registration, and cryptographic device configuration and keying. You will coordinate with Navy, DISA, and commercial circuit providers for implementation and troubleshooting, maintain Information Assurance compliance (including IOS upgrades and configuration changes), and support remote sites in restoring network services.

What you will do

• Maintain smooth operation of local area, wide area, and virtual private networks (VPNs)
• Plan, evaluate, and coordinate installation or reconfiguration of network hardware/software
• Configure and maintain routers, multiplexers, firewalls, hubs, bridges, and gateways
• Monitor network performance and conduct short- and long-range capacity planning
• Troubleshoot connectivity issues at the hardware, software, and protocol/packet level
• Maintain and update network documentation, operational instructions, and SOPs
• Coordinate with third-party vendors for maintenance and upgrades
• Ensure compliance with DoD Security Technical Implementation Guides (STIGs)

• Bachelor's degree in a related field + 9 years relevant experience
• Master's degree in a related field + 7 years relevant experience
• PhD/JD in a related field + 4 years relevant experience
• High school diploma/equivalent + 13 years relevant experience

Technical Knowledge:

• Demonstrated experience in network operations and support, including LAN/WAN installation and troubleshooting
• Proficiency with Cisco networking fundamentals (IP addressing, VLANs, routing protocols, Cisco IOS)
• Experience with firewall ACL configuration and troubleshooting (ASA or equivalent)
• Ability to troubleshoot at the protocol/packet level using tools such as sniffers, protocol analyzers, NetFlow, and log analysis
• Familiarity with DoD STIGs and Information Assurance compliance requirements
• Experience in a network operations center (NOC) or help desk environment, including ticketing and customer communications

Credintials:

• Current or Active U.S. Top Secret clearance (must maintain throughout employment)
• U.S. citizenship
• Current DoD 8570 IAT Level II certification/equivalent or higher (e.g., Security+ CE, CCNA Security, CySA+, GICSP, GSEC, SSCP)
• Willingness to work periodic shifted schedules, including evenings, nights, and weekends

Preferred Requirements

• Bachelor's degree in Computer Science, Information Systems, or related discipline
• CCNP or CCNA certification
• Experience with multicast routing, OSPF, EIGRP, BGP, and PIM
• Experience with network monitoring tools (e.g., SolarWinds)
• Familiarity with Cisco VoIP, PoE switches, and Call Manager
• Experience with NSA Type 1 cryptographic devices and keying material (e.g., KG-175D, KG-75)
• Knowledge of network security technologies including VRFs and port-security/802.1x

Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements Software Engineer family.

HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination-not readiness in piece-parts. For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures a high state of readiness. HII supports the Department of Energy's national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients' toughest nuclear and environmental challenges. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you., We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive.